package vn.bang.utility;

public final class StringUtil {

	/**
	 * Indicate whether the string is null or empty.
	 * 
	 * @param str
	 *            a String object
	 * @return boolean indicating whether the string is null or empty.
	 */
	static public boolean isNullOrEmpty(String str) {
		return null == str || str.isEmpty();
	}

	/**
	 * Prevent constructor.
	 */
	private StringUtil() {
	}

}
